Uncategorized

Corporate Taxes, Jobs, and Income

A recent Economic Policy Institute report, “Competitive” distractions – Cutting corporate tax rates will not create jobs or boost incomes for the vast majority of American families, provides some useful data and charts. For example, the graph here compares changes in productivity and hourly compensation (Data are for average hourly compensation …

Read More »

Data Spotlight: Income Inequality

If you are looking for data on wealth and income inequality visit the World Wealth and Income Database. You can create graphs and download the data. For example, the graph here is pre-tax share of income for the top 1% (20.2% in 2014) and bottom 50% (12.6% in 2014) of …

Read More »

EIA Updated Energy Flow Diagrams

The energy flow diagram here is from the EIA and represents 2016 petroleum use in millions of barrels per day. For example, the U.S. used 13.88 million barrels of petroleum per day for transportation in 2016. The EIA energy flow diagrams (found on the right sidebar) are excellent for use in the classroom …

Read More »

Arctic Sea Ice Visual

https://svs.gsfc.nasa.gov/vis/a000000/a004400/a004435/seaIceWgraph_HD_1080p30.mp4 Thanks to the folks at the NASA Scientific Visualization Studio for this visualization of Annual Arctic Sea Ice Minimum 1979-2015 with Area Graph (click on the visual to play). Arctic ice data is available in the calculus and statistics sections. A recent Economist article The thawing Arctic threatens an environmental catastrophe adds some …

Read More »

Climate Change, Melting Permafrost, and Disease

This blog has already noted a the feedback loop from melting permafrost, Methane Bubbles – A Feedback Loop. A recent BBC article, There Are Diseases Hidden In Ice And They Are Waking Up – Long-dormant bacteria and viruses, trapped in ice and permafrost for centuries, are reviving as Earth’s climate warms, …

Read More »

More on Greenland Ice

https://svs.gsfc.nasa.gov/vis/a030000/a030800/a030879/grace_greenland_720p.mp4 A few posts ago I posted about Vital Signs of the Planet from NASA as place for graphs and data. I also recently noted the NASA Scientific Visualization Studio. Putting the two together here is a visualization of changes of Greenland Ice (click anywhere to play) and again you can get the …

Read More »

Is Life Fair or Not?

Stats classes are always looking for interesting data. One place to look in YouGov. For example, they did a poll (Note: it is not clear how the sample was obtained but they do provide a sample size.) asking people if life is fair.  Here are the results by gender. Do …

Read More »

Larsen C in the News

The crack in the Larsen C ice shelf has been in the news recently. For instance Newsweek’s Another Huge Crack has Appeared on the Antarctica’s Larsen C Ice Shelf or the BBC’s The Crack that is Redrawing the World’s Map. Both articles seem to stem from the Project Midas news release A new …

Read More »

Greenland Ice Mass and Data

Vital Signs of the Planet from NASA is a place for graphs and data. The graph here is change in the mass of the Greenland Ice Sheet. On the Land Ice page there is also a graph of changes in the Antarctica Ice. Underneath each graph is a link to …

Read More »

A CO2 Movie

This move is from NOAA and embedded in their page Trends in Atmospheric Carbon Dioxide where you can download a full resolution version of this animation. There is a lot of information in this video and simply reading the information could be a challenge for students.      

Read More »